from tkinter import *




coords = [10,10,
          20,10,
          20,20,
          30,20,
          30,30,
          20,30,
          20,40,
          10,40]
N = 2
X = 0
Y = 0

root = Tk()
root.title("ИТ марафон")
root.geometry ("500x500")

canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] *N+X, coords [1] *N+Y,
                      coords[2] *N+X, coords [3] *N+Y,
                      coords[4] *N+X, coords [5] *N+Y,
                      coords[6] *N+X, coords [7] *N+Y,
                      coords[8] *N+X, coords [9] *N+Y,
                      coords[10] *N+X,  coords [11] *N+Y)

root.mainloop()
